Fastest way to switch to and from viewports?
Yes first at the top menu where it says default click the plus and name it graph editor now bottom left of blender change window to graph editor  Hold CNTRL on Keyboard and use left or right arrow keys to cycle threw work spaces
repeat this step adding all to the list. when your done setting up click file and save as  MyDefault.blend to desktop you will now have a new blender icon on desktop named MyDefault simply dubble click it and use as your default start up now every time you start up blender simply press CNTRL and arrow keys to switch work spaces.